- image
- The System.Drawing.Image from which to create the new Leadtools.RasterImage.
- options
- The conversion options.
Visual Basic (Declaration) | |
---|---|
Public Shared Function ConvertFromImage( _ ByVal image As Image, _ ByVal options As ConvertFromImageOptions _ ) As RasterImage |
Visual Basic (Usage) | Copy Code |
---|---|
Dim image As Image Dim options As ConvertFromImageOptions Dim value As RasterImage value = RasterImageConverter.ConvertFromImage(image, options) |
C# | |
---|---|
public static RasterImage ConvertFromImage( Image image, ConvertFromImageOptions options ) |
C++/CLI | |
---|---|
public: static RasterImage^ ConvertFromImage( Image^ image, ConvertFromImageOptions options ) |
Parameters
- image
- The System.Drawing.Image from which to create the new Leadtools.RasterImage.
- options
- The conversion options.
This example converts between a Leadtools.RasterImage and a GDI+ image.
Visual Basic | Copy Code |
---|---|
Public Sub ConvertFromImageExample() Dim codecs As New RasterCodecs() Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "ConvertFromImage.bmp") ' Create a GDI+ image Using btmp As Bitmap = New Bitmap(320, 200) Using g As Graphics = Graphics.FromImage(btmp) g.Clear(Color.Yellow) g.FillEllipse(Brushes.Red, New Rectangle(0, 0, btmp.Width, btmp.Height)) ' Convert this image to RasterImage Using image As RasterImage = RasterImageConverter.ConvertFromImage(btmp, ConvertFromImageOptions.None) ' Save it codecs.Save(image, destFileName, RasterImageFormat.Bmp, 0) End Using End Using End Using ' Clean up codecs.Dispose() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class |
C# | Copy Code |
---|---|
public void ConvertFromImageExample() { RasterCodecs codecs = new RasterCodecs(); string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "ConvertFromImage.bmp"); // Create a GDI+ image using(Bitmap btmp = new Bitmap(320, 200)) { using(Graphics g = Graphics.FromImage(btmp)) { g.Clear(Color.Yellow); g.FillEllipse(Brushes.Red, new Rectangle(0, 0, btmp.Width, btmp.Height)); // Convert this image to RasterImage using(RasterImage image = RasterImageConverter.ConvertFromImage(btmp, ConvertFromImageOptions.None)) { // Save it codecs.Save(image, destFileName, RasterImageFormat.Bmp, 0); } } } // Clean up codecs.Dispose(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; } |
To convert a LEADTOOLS Leadtools.RasterImage to GDI+ image, use ConvertToImage.
For information about 16bpp grayscale images, refer to The RasterPaintEngine Property and 16bpp Grayscale Images.
For more information refer to RasterImage and GDI/GDI+.
Target Platforms: Silverlight 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)